BuilderExercise

You can walk. You can choose elements and place them, where it is possible, by left mouse click. Best to be played in fullscreen mode, with mouse over the screen.

To choose element to place, press a digit from 1 to 4. On the green you can place only panels. All other elements you can build on panels. On one element can be placed only one other element. For example, if there is a pillar on the panel, you can't place a ladder on the same place.